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<li class="navelem"><a class="el" href="dir_3dc1dabd28ba78e072d14d3fcfc90454.html">SPHINXsys</a></li><li class="navelem"><a class="el" href="dir_48ea983704c43b6d88c1fa3f4d09e369.html">src</a></li><li class="navelem"><a class="el" href="dir_0a0d9ef1793521534f0094f317758287.html">shared</a></li><li class="navelem"><a class="el" href="dir_536e372c8df10cac250269553cb892e1.html">materials</a></li>  </ul>
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<div class="title">base_material.h</div>  </div>
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<a href="base__material_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -------------------------------------------------------------------------*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> *                              SPHinXsys                                   *</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * --------------------------------------------------------------------------*</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * SPHinXsys (pronunciation: s&#39;finksis) is an acronym from Smoothed Particle    *</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * Hydrodynamics for industrial compleX systems. It provides C++ APIs for   *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * physical accurate simulation and aims to model coupled industrial dynamic *</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * systems including fluid, solid, multi-body dynamics and beyond with SPH  *</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * (smoothed particle hydrodynamics), a meshless computational method using *</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * particle discretization.                                                 *</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> *                                                                          *</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * SPHinXsys is partially funded by German Research Foundation              *</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * (Deutsche Forschungsgemeinschaft) DFG HU1527/6-1, HU1527/10-1                *</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * and HU1527/12-1.                                                         *</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * Portions copyright (c) 2017-2020 Technical University of Munich and      *</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * the authors&#39; affiliations.                                               *</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may   *</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * not use this file except in compliance with the License. You may obtain a *</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * copy of the License at http://www.apache.org/licenses/LICENSE-2.0.        *</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> * --------------------------------------------------------------------------*/</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#ifndef BASE_MATERIAL_H</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#define BASE_MATERIAL_H</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#include &quot;base_data_package.h&quot;</span></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="xml__engine_8h.html">xml_engine.h</a>&quot;</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespace_s_p_h.html">SPH</a></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;{</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="keyword">class </span>BaseParticles;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_base_material.html">   52</a></span>&#160;    <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1_base_material.html">BaseMaterial</a></div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    {</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keyword">protected</span>:</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        std::string material_type_name_;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;        std::string parameters_name_;</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_base_material.html#ab44c8bc85d7ee057c68acf3584035a7e">   57</a></span>&#160;        Real <a class="code" href="class_s_p_h_1_1_base_material.html#ab44c8bc85d7ee057c68acf3584035a7e">rho0_</a>; </div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        <a class="code" href="class_s_p_h_1_1_base_particles.html">BaseParticles</a> *base_particles_;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        <a class="code" href="class_s_p_h_1_1_xml_engine.html">XmlEngine</a> reload_material_xml_engine_;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <a class="code" href="namespace_s_p_h.html#a058f422301dc6671883a7ca3ef568075">ParticleVariableList</a> reload_local_parameters_;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1_base_material.html">BaseMaterial</a>(Real rho0)</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;            : material_type_name_(<span class="stringliteral">&quot;BaseMaterial&quot;</span>),</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;              parameters_name_(<span class="stringliteral">&quot;LocalMaterialParameters&quot;</span>),</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;              <a class="code" href="class_s_p_h_1_1_base_material.html#ab44c8bc85d7ee057c68acf3584035a7e">rho0_</a>(rho0), base_particles_(nullptr),</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;              reload_material_xml_engine_(<span class="stringliteral">&quot;xml_material&quot;</span>, <span class="stringliteral">&quot;local_material_paramaters&quot;</span>){};</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        <a class="code" href="class_s_p_h_1_1_base_material.html">BaseMaterial</a>() : <a class="code" href="class_s_p_h_1_1_base_material.html">BaseMaterial</a>(1.0){};</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        <span class="keyword">virtual</span> ~BaseMaterial(){};</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1_base_material.html#a6fcb03a399882c2e79dfcbc43bcef567">assignBaseParticles</a>(BaseParticles *base_particles);</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        std::string MaterialType() { <span class="keywordflow">return</span> material_type_name_; }</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        std::string LocalParametersName() { <span class="keywordflow">return</span> parameters_name_; }</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        Real ReferenceDensity() { <span class="keywordflow">return</span> <a class="code" href="class_s_p_h_1_1_base_material.html#ab44c8bc85d7ee057c68acf3584035a7e">rho0_</a>; };</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> writeToXmlForReloadLocalParameters(<span class="keyword">const</span> std::string &amp;filefullpath);</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> readFromXmlForLocalParameters(<span class="keyword">const</span> std::string &amp;filefullpath);</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        <span class="keyword">virtual</span> BaseMaterial *ThisObjectPtr() { <span class="keywordflow">return</span> <span class="keyword">this</span>; };</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    };</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_fluid.html">   89</a></span>&#160;    <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1_fluid.html">Fluid</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_base_material.html">BaseMaterial</a></div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    {</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <span class="keyword">protected</span>:</div><div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_fluid.html#a45197e86232ce572899fb0fb148a78f8">   92</a></span>&#160;        Real <a class="code" href="class_s_p_h_1_1_fluid.html#a45197e86232ce572899fb0fb148a78f8">mu_</a>; </div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;        <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1_fluid.html">Fluid</a>(Real rho0, Real mu)</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;            : <a class="code" href="class_s_p_h_1_1_base_material.html">BaseMaterial</a>(rho0), <a class="code" href="class_s_p_h_1_1_fluid.html#a45197e86232ce572899fb0fb148a78f8">mu_</a>(mu)</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        {</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;            material_type_name_ = <span class="stringliteral">&quot;Fluid&quot;</span>;</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        };</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1_fluid.html">Fluid</a>(){};</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        Real ReferenceViscosity() { <span class="keywordflow">return</span> <a class="code" href="class_s_p_h_1_1_fluid.html#a45197e86232ce572899fb0fb148a78f8">mu_</a>; };</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        <span class="keyword">virtual</span> Real getPressure(Real rho) = 0;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        <span class="keyword">virtual</span> Real getPressure(Real rho, Real rho_e) { <span class="keywordflow">return</span> getPressure(rho); };</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;        <span class="keyword">virtual</span> Real DensityFromPressure(Real p) = 0;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        <span class="keyword">virtual</span> Real getSoundSpeed(Real p = 0.0, Real rho = 1.0) = 0;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        <span class="keyword">virtual</span> Fluid *ThisObjectPtr()<span class="keyword"> override </span>{ <span class="keywordflow">return</span> <span class="keyword">this</span>; };</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    };</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;</div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_solid.html">  113</a></span>&#160;    <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1_solid.html">Solid</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_base_material.html">BaseMaterial</a></div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    {</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    <span class="keyword">public</span>:</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        <a class="code" href="class_s_p_h_1_1_solid.html">Solid</a>(Real rho0, Real contact_stiffness, Real contact_friction = 0.0)</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            : <a class="code" href="class_s_p_h_1_1_base_material.html">BaseMaterial</a>(rho0), <a class="code" href="class_s_p_h_1_1_solid.html#accf36ec8b84a813cb59f2d26bde11321">contact_stiffness_</a>(contact_stiffness),</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;              <a class="code" href="class_s_p_h_1_1_solid.html#ac34e19104645d0cf3e437a848c4d2b84">contact_friction_</a>(contact_friction)</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        {</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;            material_type_name_ = <span class="stringliteral">&quot;Solid&quot;</span>;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        };</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1_solid.html">Solid</a>(Real rho0) : <a class="code" href="class_s_p_h_1_1_solid.html">Solid</a>(rho0, 1.0){};</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        <a class="code" href="class_s_p_h_1_1_solid.html">Solid</a>() : <a class="code" href="class_s_p_h_1_1_solid.html">Solid</a>(1.0){};</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1_solid.html">Solid</a>(){};</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        Real ContactFriction() { <span class="keywordflow">return</span> <a class="code" href="class_s_p_h_1_1_solid.html#ac34e19104645d0cf3e437a848c4d2b84">contact_friction_</a>; };</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        Real ContactStiffness() { <span class="keywordflow">return</span> <a class="code" href="class_s_p_h_1_1_solid.html#accf36ec8b84a813cb59f2d26bde11321">contact_stiffness_</a>; };</div><div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_solid.html#accf36ec8b84a813cb59f2d26bde11321">  128</a></span>&#160;        <span class="keyword">virtual</span> <a class="code" href="class_s_p_h_1_1_solid.html">Solid</a> *ThisObjectPtr()<span class="keyword"> override </span>{ <span class="keywordflow">return</span> <span class="keyword">this</span>; };</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    <span class="keyword">protected</span>:</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        Real <a class="code" href="class_s_p_h_1_1_solid.html#accf36ec8b84a813cb59f2d26bde11321">contact_stiffness_</a>; </div><div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1_solid.html#ac34e19104645d0cf3e437a848c4d2b84">  132</a></span>&#160;        Real <a class="code" href="class_s_p_h_1_1_solid.html#ac34e19104645d0cf3e437a848c4d2b84">contact_friction_</a>;  </div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;        <span class="keywordtype">void</span> setContactStiffness(Real c0) { <a class="code" href="class_s_p_h_1_1_solid.html#accf36ec8b84a813cb59f2d26bde11321">contact_stiffness_</a> = c0 * c0; };</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    };</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;}</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="preprocessor">#endif // BASE_MATERIAL_H</span></div><div class="ttc" id="class_s_p_h_1_1_base_particles_html"><div class="ttname"><a href="class_s_p_h_1_1_base_particles.html">SPH::BaseParticles</a></div><div class="ttdoc">Particles with essential (geometric and kinematic) data. There are three types of particles， all par...</div><div class="ttdef"><b>Definition:</b> base_particles.h:81</div></div>
<div class="ttc" id="class_s_p_h_1_1_solid_html_accf36ec8b84a813cb59f2d26bde11321"><div class="ttname"><a href="class_s_p_h_1_1_solid.html#accf36ec8b84a813cb59f2d26bde11321">SPH::Solid::contact_stiffness_</a></div><div class="ttdeci">Real contact_stiffness_</div><div class="ttdef"><b>Definition:</b> base_material.h:128</div></div>
<div class="ttc" id="namespace_s_p_h_html_a058f422301dc6671883a7ca3ef568075"><div class="ttname"><a href="namespace_s_p_h.html#a058f422301dc6671883a7ca3ef568075">SPH::ParticleVariableList</a></div><div class="ttdeci">std::array&lt; StdVec&lt; std::pair&lt; std::string, size_t &gt; &gt;, 4 &gt; ParticleVariableList</div><div class="ttdef"><b>Definition:</b> sph_data_containers.h:63</div></div>
<div class="ttc" id="class_s_p_h_1_1_solid_html_ac34e19104645d0cf3e437a848c4d2b84"><div class="ttname"><a href="class_s_p_h_1_1_solid.html#ac34e19104645d0cf3e437a848c4d2b84">SPH::Solid::contact_friction_</a></div><div class="ttdeci">Real contact_friction_</div><div class="ttdef"><b>Definition:</b> base_material.h:132</div></div>
<div class="ttc" id="class_s_p_h_1_1_base_material_html"><div class="ttname"><a href="class_s_p_h_1_1_base_material.html">SPH::BaseMaterial</a></div><div class="ttdoc">Base of all materials. </div><div class="ttdef"><b>Definition:</b> base_material.h:52</div></div>
<div class="ttc" id="class_s_p_h_1_1_solid_html"><div class="ttname"><a href="class_s_p_h_1_1_solid.html">SPH::Solid</a></div><div class="ttdoc">Base class of all solid materials. </div><div class="ttdef"><b>Definition:</b> base_material.h:113</div></div>
<div class="ttc" id="xml__engine_8h_html"><div class="ttname"><a href="xml__engine_8h.html">xml_engine.h</a></div><div class="ttdoc">XML class for xml input and output, this is GUI of simbody xml parser. </div></div>
<div class="ttc" id="class_s_p_h_1_1_fluid_html"><div class="ttname"><a href="class_s_p_h_1_1_fluid.html">SPH::Fluid</a></div><div class="ttdoc">Base class of all fluids. </div><div class="ttdef"><b>Definition:</b> base_material.h:89</div></div>
<div class="ttc" id="class_s_p_h_1_1_base_material_html_a6fcb03a399882c2e79dfcbc43bcef567"><div class="ttname"><a href="class_s_p_h_1_1_base_material.html#a6fcb03a399882c2e79dfcbc43bcef567">SPH::BaseMaterial::assignBaseParticles</a></div><div class="ttdeci">virtual void assignBaseParticles(BaseParticles *base_particles)</div><div class="ttdef"><b>Definition:</b> base_material.cpp:13</div></div>
<div class="ttc" id="class_s_p_h_1_1_xml_engine_html"><div class="ttname"><a href="class_s_p_h_1_1_xml_engine.html">SPH::XmlEngine</a></div><div class="ttdef"><b>Definition:</b> xml_engine.h:56</div></div>
<div class="ttc" id="class_s_p_h_1_1_fluid_html_a45197e86232ce572899fb0fb148a78f8"><div class="ttname"><a href="class_s_p_h_1_1_fluid.html#a45197e86232ce572899fb0fb148a78f8">SPH::Fluid::mu_</a></div><div class="ttdeci">Real mu_</div><div class="ttdef"><b>Definition:</b> base_material.h:92</div></div>
<div class="ttc" id="namespace_s_p_h_html"><div class="ttname"><a href="namespace_s_p_h.html">SPH</a></div><div class="ttdef"><b>Definition:</b> solid_body_supplementary.cpp:9</div></div>
<div class="ttc" id="class_s_p_h_1_1_base_material_html_ab44c8bc85d7ee057c68acf3584035a7e"><div class="ttname"><a href="class_s_p_h_1_1_base_material.html#ab44c8bc85d7ee057c68acf3584035a7e">SPH::BaseMaterial::rho0_</a></div><div class="ttdeci">Real rho0_</div><div class="ttdef"><b>Definition:</b> base_material.h:57</div></div>
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